StackOverflow2013

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20775458
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2013-12-25T17:59:52.497
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2013-12-25T17:59:52.497
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First scenario: <pre><code>- (void)application:(UIApplication*)application didReceiveRemoteNotification:(NSDictionary*)userInfo { NSLog (@"APNS: notification received: %@", userInfo); NSString *message = nil; id alert = [userInfo objectForKey:@"aps"]; if ([alert isKindOfClass:[NSString class]]) { message = alert; } else if ([alert isKindOfClass:[NSDictionary class]]) { message = [alert objectForKey:@"alert"]; } if (message) { if (![message isEqualToString:@""]) { UIAlertView *alertView = [[UIAlertView alloc] initWithTitle: @"notification" message: message delegate: nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alertView show]; } } } </code></pre> Second scenario: <pre><code>- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { NSLog (@"LAUNCH OPTIONS: %@",launchOptions); id remoteNotificationValue = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey]; if (remoteNotificationValue) { NSString *message = nil; id alert = [remoteNotificationValue objectForKey:@"aps"]; if ([alert isKindOfClass:[NSString class]]) { message = alert; } else if ([alert isKindOfClass:[NSDictionary class]]) { message = [alert objectForKey:@"alert"]; } if (message) { if (![message isEqualToString:@""]) { UIAlertView *alertView = [[UIAlertView alloc] initWithTitle: @"notification" message: message delegate: nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alertView show]; } } } .... </code></pre> Of course you might want to make a special method that handles notifications and is called from both scenarios (with <code>NSDictionary</code> * parameter) so your code would be more readable. Sometimes APNS notifications are useful also when app is running - empty notification (with no payload) might be used to trigger the data synchronization with server to avoid polling for example.
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1. POHandling Apple Push Notification Service
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1. PTAnswer
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1. USRok Jarc
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2. VO
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